Tag Archives: design


Purdy. But I’ve been thinking for a very long time on suit and belt and vest design and on how to improve not only weight distribution but ease and speed of equipment retrieval. I’ve tried some promising designs of my own especially with stuff running the sides of the torso (really quick retrieval but interferes with compactness of body and stealth and causes friction as you move) and need to come up with far better still.

What would really be ideal would be to have at most 7 tools/pieces of gear but each one be light, and multi-functional. And all of those within quick and easy reach. Everything else you could port on your back because you don’t need to access it often.

The real trick I think will be high end-high tech/multi-functional gear redesign, not so much carry redesign.



I’ve been advocating for exploring the oceans of other worlds for years. And I’ve written fictional stories about it. Very, very good to see them preparing.


In a sneak peek of a possible future mission to Saturn’s moon Titan, NASA has showcased their vision of a robotic submersible that could explore the moon’s vast lakes of liquid methane and ethane.

VIDEO: Can a Moon be Older Than its Planet?

Studying Titan is thought to be looking back in time at an embryonic Earth, only a lot colder. Titan is the only moon in the solar system to have a significant atmosphere and this atmosphere is known to possess its own methane cycle, like Earth’s water cycle. Methane exists in a liquid state, raining down on a landscape laced with hydrocarbons, forming rivers, valleys and seas.

Several seas have been extensively studied by NASA’s Cassini spacecraft during multiple flybys, some of which average a few meters deep, whereas others have depths of over 200 meters (660 feet) — the maximum depth at which Cassini’s radar instrument can penetrate.

So, if scientists are to properly explore Titan, they must find a way to dive into these seas to reveal their secrets.

ANALYSIS: Cassini Watches Clouds Blow Over Titan’s Sea

At this year’s Innovative Advanced Concepts (NIAC) Symposium, a Titan submarine concept was showcased by NASA Glenn’s COMPASS Team and researchers from Applied Research Lab.

Envisaged as a possible mission to Titan’s largest sea, Kracken Mare, the autonomous submersible would be designed to make a 90 day, 2,000 kilometer (1,250 mile) voyage exploring the depths of this vast and very alien marine environment. As it would spend long periods under the methane sea’s surface, it would have to be powered by a radioisotope generator; a source that converts the heat produced by radioactive pellets into electricity, much like missions that are currently exploring space, like Cassini and Mars rover Curiosity.

Communicating with Earth would not be possible when the vehicle is submerged, so it would need to make regular ascents to the surface to transmit science data.

ANALYSIS: Cassini Spies Wind-Rippled Sea on Titan

But Kracken Mare is not a tranquil lake fit for gentle sailing — it is known to have choppy waves and there is evidence of tides, all contributing to the challenge. Many of the engineering challenges have already been encountered when designing terrestrial submarines — robotic and crewed — but as these seas will be extremely cold (estimated to be close to the freezing point of methane, 90 Kelvin or -298 degrees Fahrenheit), a special piston-driven propulsion system will need to be developed and a nitrogen will be needed as ballast, for example.

This study is just that, a study, but the possibility of sending a submersible robot to another world would be as unprecedented as it is awesome.

Although it’s not clear at this early stage what the mission science would focus on, it would be interesting to sample the chemicals at different depths of Kracken Mare.

ANALYSIS: Titan’s ‘Magic Island’ Appeared Mysteriously From the Depths

“Measurement of the trace organic components of the sea, which perhaps may exhibit prebiotic chemical evolution, will be an important objective, and a benthic sampler (a robotic grabber to sample sediment) would acquire and analyze sediment from the seabed,” the authors write (PDF). “These measurements, and seafloor morphology via sidescan sonar, may shed light on the historical cycles of filling and drying of Titan’s seas. Models suggest Titan’s active hydrological cycle may cause the north part of Kraken to be ‘fresher’ (more methane-rich) than the south, and the submarine’s long traverse will explore these composition variations.”

A decade after the European Huygens probe landed on the surface of Titan imaging the moon’s eerily foggy atmosphere, there have been few plans to go back to this tantalizing world. It would be incredible if, in the next few decades, we could send a mission back to Titan to directly sample what is at the bottom of its seas, exploring a region where the molecules for life’s chemistry may be found in abundance.


Being an inventor myself I completely agree with the concept of “stripping away complexity” in order to produce light, flexible designs for most commercial and market applications.

Of course once  the hoverbike becomes numerous in models and well-received or popular in usage additional complexities will be added back in, covering everything from entertainment, to pilot protections and security, to sensoring capabilities, to GPS navigation systems, to flight control automation and computerization, to running and warning lights, to communications . Just has occurred with cars and motorcycles. But for now, in the developmental and popularization phase, simplicity is the key to superior development.

By the way, back when I was in CAP this was already a Squadron and even a Wing project and I’ve seen several Air Force designs for basically the same kind of craft.

But I like this commercial/private model.